/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Render/Viewport/IDisplayClusterViewportManagerProxy.h
Return all exist viewports render thread proxy objects [Rendering thread func]
const [TArrayView](API\Runtime\Core\Containers\TArrayView)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDisplayClusterViewportProxy](API\Plugins\DisplayCluster\Render\Viewport\IDisplayClusterViewportProxy), ESPMode::ThreadSafe > > GetViewports_RenderThread() const